diff options
| author | ktkachov <ktkachov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-03-23 10:39:10 +0000 |
|---|---|---|
| committer | ktkachov <ktkachov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-03-23 10:39:10 +0000 |
| commit | 9ada59d2ab98f2a92f9d496c420004f0fbebafce (patch) | |
| tree | 335b7464ac84540e2711a2eece69e699fdbb21e2 /gcc/config/arm/arm1020e.md | |
| parent | dc834ba11cb5919cfd70496f51c8b5ec9a2910e5 (diff) | |
[ARM] Reduce size of arm1020e automaton
* config/arm/arm1020e.md (1020call_op): Reduce reservation
duration.
(v10_fdivs): Likewise.
(v10_fdivd): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@234422 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/arm/arm1020e.md')
| -rw-r--r-- | gcc/config/arm/arm1020e.md | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/gcc/config/arm/arm1020e.md b/gcc/config/arm/arm1020e.md index 7cdab57ddb3..84a300d8045 100644 --- a/gcc/config/arm/arm1020e.md +++ b/gcc/config/arm/arm1020e.md @@ -246,13 +246,14 @@ (eq_attr "type" "branch")) "1020a_e") -;; The latency for a call is not predictable. Therefore, we use 32 as -;; roughly equivalent to positive infinity. +;; The latency for a call is not predictable. Therefore, we model as blocking +;; execution for a number of cycles but we can't do anything more accurate +;; than that. (define_insn_reservation "1020call_op" 32 (and (eq_attr "tune" "arm1020e,arm1022e") (eq_attr "type" "call")) - "1020a_e*32") + "1020a_e*4") ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; VFP @@ -300,12 +301,12 @@ (define_insn_reservation "v10_fdivs" 18 (and (eq_attr "vfp10" "yes") (eq_attr "type" "fdivs, fsqrts")) - "1020a_e+v10_ds*14") + "1020a_e+v10_ds*4") (define_insn_reservation "v10_fdivd" 32 (and (eq_attr "vfp10" "yes") (eq_attr "type" "fdivd, fsqrtd")) - "1020a_e+v10_fmac+v10_ds*28") + "1020a_e+v10_fmac+v10_ds*4") (define_insn_reservation "v10_floads" 4 (and (eq_attr "vfp10" "yes") |